It is not improbable that all dogs sprang from one common source, but climate, food and cross-breeding caused variations of form which suggested particular uses, and these being either designedly or accidentally perpetuated, the various breeds of dogs arose, and became numerous in proportion to the progress of civilization.
The chronicle of Villehardouin is justly held to be the very best presentation we possess of the spirit of chivalry - not the designedly exalted and poetized chivalry of the romances, not the self-conscious and deliberate chivalry of the 14th century, but the unsophisticated mode of thinking and acting which brought about the crusades, stimulated the vast literary development of the 12th and 13th centuries, and sent knights-errant, principally though not wholly of French blood, to establish principalities and kingdoms throughout Europe and the nearer East.
The fortifications of Epinal are connected to the southward with Belfort, Dijon and Besancon, by the fortified line of the Moselle, and north of it lies the unfortified zone called the Trouee d'Epinal, a gap designedly left open to the invaders between Epinal and Toul, another great fortress which is itself connected by the Meuse forts d'arret with Verdun and the places of the north-east.
As he designedly wrote nothing, and, with the aid of his pupils, kept his views secret, after the manner of the Pythagoreans, his philosophy must be inferred mainly from the writings of Plotinus.
The Paris line is built with the standard gauge of 4 ft 82 in., but its tunnels are designedly made of such a small crosssection that ordinary main line stock cannot pass through them.